Mal Downey (played by Tom Cavanagh) is a protagonist in Alchemy.
Samantha Rose (played by Sarah Chalke) appears in Alchemy.
Dr. Troy Rollins (played by James Barbour) appears in Alchemy.
KJ (played by Illeana Douglas) appears in Alchemy.
Jerry (voice) (played by Michael Ian Black) appears in Alchemy.
Jane (played by Nadia Dajani) appears in Alchemy.
Barbara (played by Shannon McGinnis) appears in Alchemy.
Marissa (played by Anna Belknap) appears in Alchemy.